package com.heima.wemedia.interceptor;

import com.heima.model.wemedia.pojos.WmMaterial;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.model.wemedia.utils.WmThreadLocalUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Optional;

@Slf4j
@Component
public class WmTokenInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String userId = request.getHeader("userId");
        Optional<String> optional = Optional.ofNullable(userId);
        if (optional.isPresent()){
            //将id放入线程副本中
            WmUser wmUser = new WmUser();
            wmUser.setId(Integer.valueOf(userId));
            WmThreadLocalUtils.setUser(wmUser);
            log.info("user信息塞入线程副本成功");
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        //清理线程副本
        WmThreadLocalUtils.remove();
    }
}
